Mode 4: Reset/Erase Diagnostic Data

Mode 4: Reset/Erase Diagnostic Data

The following functions are performed in this diagnostic mode:
- All emission relevant malfunctions in DTC memory will be erased.
- The operating conditions at which a malfunction was stored will be reset see"Mode 2: Check operating conditions". Mode 2: Check Operating Conditions
- All adaptation values will be reset.
- All test results of the diagnostic functions will be reset.

Procedure
- Connect diagnostic tester.
- Start engine and let run at idle.
- In diagnostic function "33 - OBD", first select "Mode 3: Check DTC memory". Mode 3: Check DTC Memory
- Then select "Mode 4: Reset/erase diagnostic data".
- Display: "Diagnostic data are being erased"
DTC memory is erased.

- End diagnosis and switch ignition off.